He added:”If you are financially disciplined, there are some good savings to be made, but the potential financial costs of these cards can be high if they aren’t managed properly.”

“The problem, and something the card providers rely on, is that many people fall off the 0% wagon mid-term and end up incurring significant interest charges.”

“If you are accepted for one of these products, make sure you don’t exceed your limit or miss a monthly payment as the lenders use this as a handy get out clause to terminate the introductory promotional deal on the spot.”